Pr Number Allocation - Brakes

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Vehicle data label, example

Fig 1: Locating Brake System Information On Vehicle Data Label, PR Number -A And B-

Courtesy of AUDI

The corresponding PR number on the vehicle data label indicates which brakes are installed on the vehicle, among other things.

A - Rear Brakes (Example)

B - Front Brakes (Example)

Vehicle data label component location. Refer to VEHICLE DATA LABEL

ELSA/Vehicle-Specific Notes

Fig 2: Identifying Rear Wheel Brake Number

Courtesy of AUDI

The relevant information regarding the brakes installed can also be obtained through ELSA/vehicle-specific notes.

1KU - Rear Brakes (Example)

1LJ - Front Brakes (Example)

Allocation. Refer to the appropriate Electronic Parts Information.
Refer to TECHNICAL DATA, BRAKES for the PR number code key. These are important for the brake caliper/brake rotor and brake pad combination.